Changes in Intracuff Pressure of Microcuff Endotracheal Tube During Prolonged Anaesthesia with Nitrous Oxide and Air in Paediatric Patients
Journal Title: International Journal of Contemporary Medical Research - Year 2018, Vol 5, Issue 2
Abstract
Introduction: Introduction of micro cuff endotracheal tubes for pediatric intubations with improved designs are attractive innovation in pediatric anesthesia. In spite of exciting properties, hyperinflation with prolonged anesthesia with N2O is an everlasting problem. The current study was focused on monitoring and comparing intra cuff pressure changes with N2O and Air in children intubated with micro cuff endotracheal tubes and its overall effect on ventilation during prolonged anesthesia. Material and Methods: In this prospective, observational study of randomized convenient sampling of 60 pediatric patients, were divided into two groups. Group ‘N’ received general anesthesia with nitrous oxide and Group A with air. The intracuff pressures were recorded every 15 min for the first 1 hour, and every 30 min thereafter throughout procedure. Results: The baseline average pressure of 16.13 cm of H2O decreasing in a linear fashion to 11.3 at the end of the surgery in the group N and similarly from 17 cm of H2O to 11.67 in group A. The airway pressure decline were highly significant between the two groups at baseline and at every stipulated duration except at the 60th minute till the end of the surgery with a p-value<0.001 Conclusion: Significant changes in cuff pressures occur during prolonged general anaesthesia using microcuff ET tubes irrespective of using N2O or air rendering the need for cuff pressure monitoring.
Authors and Affiliations
Hithesh . , Thrivikram Shenoy
Keywords
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